Base | Representation |
---|---|
bin | 11000011010001… |
… | …00000011101000 |
3 | 112021021102200100 |
4 | 30031010003220 |
5 | 404404013310 |
6 | 32152305400 |
7 | 5034232632 |
oct | 1415040350 |
9 | 467242610 |
10 | 204751080 |
11 | a5638576 |
12 | 586a2260 |
13 | 3355b9b1 |
14 | 1d29ba52 |
15 | 12e96ec0 |
hex | c3440e8 |
204751080 has 96 divisors (see below), whose sum is σ = 668570760. Its totient is φ = 54343680.
The previous prime is 204751067. The next prime is 204751103. The reversal of 204751080 is 80157402.
It can be written as a sum of positive squares in 4 ways, for example, as 87721956 + 117029124 = 9366^2 + 10818^2 .
It is a super-2 number, since 2×2047510802 = 83846009522332800, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82660 + ... + 85100.
Almost surely, 2204751080 is an apocalyptic number.
204751080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 204751080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334285380).
204751080 is an abundant number, since it is smaller than the sum of its proper divisors (463819680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
204751080 is a wasteful number, since it uses less digits than its factorization.
204751080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2691 (or 2684 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 27.
The square root of 204751080 is about 14309.1257594585. The cubic root of 204751080 is about 589.3981030188.
The spelling of 204751080 in words is "two hundred four million, seven hundred fifty-one thousand, eighty".
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